test: Rename Playwright project names from ui to e2e (#23423)

.github/workflows/playwright-test-ci.yml

@@ -13,14 +13,14 @@ jobs:
   # Multi-main: postgres + redis + caddy + 2 mains + 1 worker
   # Only runs for internal PRs (not community/fork PRs)
   # Builds Docker images locally per shard for faster parallel execution
-  multi-main-ui:
-    name: 'Multi-Main: UI'
+  multi-main-e2e:
+    name: 'Multi-Main: E2E'
     if: ${{ !github.event.pull_request.head.repo.fork }}
     uses: ./.github/workflows/playwright-test-reusable.yml
     with:
       branch: ${{ inputs.branch }}
       test-mode: docker-build
-      test-command: pnpm --filter=n8n-playwright test:container:multi-main:ui
+      test-command: pnpm --filter=n8n-playwright test:container:multi-main:e2e
       shards: '[1, 2, 3, 4, 5, 6, 7, 8]'
       runner: blacksmith-4vcpu-ubuntu-2204
       workers: '1'
@@ -41,8 +41,8 @@ jobs:
 
   # Community PR tests: Local mode with SQLite (no container building, no secrets required)
   # Runs on GitHub-hosted runners without Currents reporting
-  community-ui:
-    name: 'Community: UI'
+  community-e2e:
+    name: 'Community: E2E'
     if: ${{ github.event.pull_request.head.repo.fork }}
     uses: ./.github/workflows/playwright-test-reusable.yml
     with: